It's unclear for now how much more it might cost the U.S. to make dollar bills. However the U.S. Government Accountability Office said paper costs "are a significant portion of the cost of producing $1 notes, but less than half the total cost."

Ordinary paper used in newspapers, books and cereal boxes is primarily made of wood pulp. But the paper on which the greenback is printed is composed of 75% cotton and 25% linen, according to the U.S. Bureau of Engraving and Printing. (See correction, below)

In Buffalo, New York, the city is selling vacant homes for a $1 to those who are willing to fix them up and live in them for a few years. But as many buyers soon find out, the cost to renovate these super cheap properties can quickly add up. More